Add: NO.39 Putuoshan Road,
Dagan Industrial Zone, Beilun, Ningbo, Zhejiang,CHINA
(1) .Glitch In electrical steel blanking, burrs are […]
In electrical steel blanking, burrs are inevitable. But changing the stamping conditions of the sheet metal parts can reduce the burr.
Cause ①: The cutting edge is worn.
Countermeasure: Sharpen the cutting edge to make it sharp.
Cause ②: The gap is too large or the effect is not obvious after sharpening.
Countermeasure: Change the design size of the convex die, or replace it with new spare parts.
Reason ③: There are many bright bands of punching, and the gap is too small.
Handling countermeasures: Increase punching clearance by grinding and other methods. (The repairs must be confirmed according to the product drawing
The full male dies or female die).
Cause ④: The blade is broken.
Handling countermeasures: Replace with new spare parts or re-sharpen after padding.
Cause ⑤: The parallelism between the punch is poor.
Countermeasures: Repair the punch and adjust the parallelism of the punch.
Cause ⑥: After the mold is installed, the upper and lower positions are misaligned.
Countermeasure: Replace the guidance system. (Note: Paper can be cut for inspection on the punch.)